## Aastra 53i VoIP Telephone

Aastra 53i VoIP Telephone

• Up to 9 call appearance lines
• Shared Call and Bridged Line Appearances
• Local 3-way conference
• Intercom with auto-answer
• Live dial pad or pre-dial support
• Digium's Asterisk Business Edition - supports Busy Lamp Field (BLF), Intercom
• BroadSoft's BroadWorks enhanced SIP - supports Shared Call Appearances, Busy Lamp Field (BLF), CommPilot Call Manager
• Nortel's MCS 5100/5200 SIP supports Conferencing, Voicemail,and NAT Traversal
• Sylantro's SIP - supports Bridged Line Appearances (BLA), Comcierge, Call Park/Pickup, Conference

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Aastra 6753i IP Phone A1753-0131-10-01 IP Phones

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